High reputation for Precision Casting Wax Export to Canada
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High reputation for Precision Casting Wax Export to Canada Detail:
Precision Casting Wax mainly is used for precision mechanical process with zero allowance or very limited allowance. We can not adopt general casting technique, but can only adopt zero allowance casting or precision casting. Because of the product’s structure is very delicate and complex especially in bejeweled with golden and silver, such as diamond ring, brooch, earring etc.
The characteristics of precision casting wax are: good coating property, no denaturalization to be heated, good flow ability, good thermal stability, and well surface finish.
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To be the stage of realizing dreams of our employees! To build a happier, far more united and far more specialist team! To reach a mutual profit of our customers, suppliers, the society and ourselves for High reputation for Precision Casting Wax Export to Canada, The product will supply to all over the world, such as: Naples , Amman, Algeria , we have 8 years experience of production and 5 years experience in trading with the customers all over the world. our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.
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Heating Ventilation Air Conditioning (HVAC) core trade
Heating Ventilation Air Conditioning (HVAC) is the core trade designated C20 in California. From the state website, the C-20 HVAC core trade is described as follows: “A warm-air heating, ventilating and air-conditioning contractor fabricates, installs, maintains, services and repairs warm-air heating systems and water heating heat pumps, complete with warm-air appliances; ventilating systems complete with blowers and plenum chambers; air-conditioning systems complete with air-conditioning unit; and the ducts, registers, flues, humidity and thermostatic controls and air filters in connection with any of these systems. This classification shall include warm-air heating, ventilating and air-conditioning systems which utilize solar energy.”
Multiple Choice Question
Heating Ventilation Air Conditioning (HVAC) core trade
A bare copper wires are used to ground electrical systems
B installs electrical wires, fixtures, appliances & systems
C outlets 6′ from doors, 12′ oc thereafter, switches 48″ high
D warm-air heating, air-conditioning, ducts, controls & solar
Correct Answer: d
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“Design, development, and evaluation of an MRI-guided SMA spring-actuated neurosurgical robot”
by Mingyen Ho, Yeongjin Kim, Shing Shin Cheng, Rao Gullapalli and Jaydev P. Desai
International Journal of Robotics Research, 34(8): 1147-1163
https://bit.ly/1pr2f0x
ABSTRACT: In this paper, we present our work on the development of a magnetic resonance imaging (MRI)-compatible minimally invasive neurosurgical intracranial robot (MINIR) comprising shape memory alloy (SMA) spring actuators and tendon–sheath mechanisms. We present the detailed modeling and analysis along with experimental results of the characterization of SMA spring actuators. Furthermore, to demonstrate image-feedback control, we used the images obtained from a camera to control the motion of the robot so that eventually continuous MR images could be used in the future to control robot motion. Since the image tracking algorithm may fail in some situations, we also developed a temperature feedback control scheme which served as a backup controller for the robot. Experimental results demonstrated that both image feedback and temperature feedback can be used to control the motion of MINIR. A series of MRI compatibility tests was performed on the robot and the experimental results demonstrated that the robot is MRI-compatible and no significant visual image distortion was observed in the MR images during robot operation.
